Onion makes people love and hate, it is a must for many longevity elderly people, it can soften blood vessels, lower blood and thick, however, the housewife does not like it, because it will be processed tears, and that kind of spicy taste is not Everyone can accept. In fact, there are more secrets than these onions you don't know.
You may not know these effects of onions
1, calcium health bone. Onion is rich in calcium, can be comparable to small vegetables such as rapeseed, cabbage and other calcium-rich vegetables, but also contains magnesium and potassium, the ratio of calcium and phosphorus are also suitable, good calcium absorption.
2, improve the intestinal environment. Onion and burdock, asparagus and other vegetables, containing oligosaccharides, not digested by the stomach and small intestine, but in the large intestine decomposition of foods such as Bifidobacterium and other beneficial bacteria.
3, promote weight loss and constipation. Onion is rich in dietary fiber, increases satiety and promotes bowel movements. In addition, the bifidogenic factors produced by onions also contribute to intestinal patency.
4, solution oily. Do some high-fat amaranth, such as steak, braised pork, grilled fish, etc. with onions can not only taste, but also to greasy oil and reduce the body's absorption of fat.
5, sterilization. The onion contains volatile sulfurized propylene, which has bactericidal and bacteriostatic action and disperses pests. Therefore, onions are zero-vegetable residual vegetables.
6, anti-cancer. Onion is rich in quercetin and selenium. The former inhibits the activity of cancer cells and prevents the growth of cancer cells. The latter is a powerful antioxidant that reduces oxidative damage in the body.
7, to prevent colds. Onion slightly spicy, with a divergent cold effect, can prevent colds, but also can ease the cold caused by nasal congestion, runny nose and other symptoms.
8, reduce the body's inflammatory response. The prostaglandin A contained in onion is a strong vasodilator, and it is helpful for alleviating the body's inflammatory response, regulating blood pressure, and reducing blood viscosity.
Onions precautions
First, in spring and summer, we can buy fresh onions. The skin on the outermost layer of the onion is thinner, and the meat is thicker, more watery, and less spicy. While colder onions are mostly stored, their spicy taste is more irritating, the skin is thicker, and the water is less.
Second, it should be stored in the dark. When you buy an onion, you need to buy it that is very heavy in your hands. The skin is dry, tight, no scratches, and no smell (because the onions will release an odor when they are scratched or scratched). The onions that are bought must be kept in a cool, dry, dark and well-ventilated place. Never put an onion in a plastic bag so that the already resistant onion will soon rot. Third, the common onion is divided into purple and white skin two. White skin onions are soft, with high moisture and sweetness. After cooking for a long time, they have golden color and rich sweetness. They are suitable for fresh food, roasting or stewing. Purple skin onions are slightly reddish and spicy. Suitable for stir-fried or lettuce salad. Purple skin onion nutrition is better.
Fourth, fried coke a little more flavor. The onion can give the dish a slightly sweet taste and a nice caramel color. To achieve this effect, slow heating is an important recipe. The specific method is: pour a little oil in the pot, put the cut onion, and heat it on a low heat so that the onion can slowly and fully release the sugar. Occasionally stir fry to avoid sticking pans and keeping lids to maintain temperature and humidity.
Fifth, raw onion brings a cool feeling. Raw onion tastes a little flush, but it is precisely these flavored substances that have excellent health care functions such as anti-cancer. If you want to get more healthy from onions, raw or mixed salad is the best way. When eating heavy oily foods such as beef and mutton, with raw onions, can play a role in solving tired, with a fresh minty feeling.
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